Shunyata Research Theta Ground Cable

Item code: GRD-THT-BASE

The Shunyata Research Theta Ground Cable uses heavier 8-gauge VTX™ conductors to lower impedance and improve noise reduction, delivering enhanced silence, dynamics, and timing. Featuring ArNi® wire, OFE C10100 copper, aerospace-grade fluorocarbon die…
£300.00
£250.00
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SPEAKER CABLES:

A quantity of 2 means you will receive a pair of speaker cables e.g. for your front left and front right speakers. By entering a quantity of 1, you will get a cable for a single speaker e.g. centre speaker and this option also enables you to vary the length (and termination) of your cable for each speaker.

OTHER CABLES:

A quantity of 1 means you will receive a single cable in the case of aerial, satellite, subwoofer, digital coaxial & optical cables and a pair of cables in the case of 2 rca to 2 rca analogue audio cables.

NON-CABLE PRODUCTS:

A quantity of 1 means you will receive 1 of the specified products.

£250.00 ex. VAT
Available — built to order, dispatches in 2 - 3 Weeks
Delivery: Royal Mail Tracked 48 FREE  ·  DPD Next Day £4.95  ·  DPD Saturday £8.95
Order before 12pm (Mon–Fri) for same-day dispatch
Our promise: 60-day returns · Free burn-in · Built in our UK workshop · 24 Months warranty · Expert support on every order

Shunyata Research Theta Ground Cable

 

The Shunyata Research Theta Ground Cables are engineered to deliver exceptional performance in high-resolution audio systems. Building on the Gamma design, the Theta series incorporates heavier 8-gauge VTX™ conductors that reduce impedance and increase noise reduction. This additional conductor mass elevates background silence, dynamic impact, timing accuracy, and musical scale. For systems already using Gamma cables, upgrading the primary link between the ground hub and system ground with a single Theta cable often yields the most significant performance enhancement.

At the heart of the Theta design are Shunyata’s proprietary technologies. ArNi® wire combines ultra-pure OFE C10100 or Ohno single-crystal copper with hollow-core VTX™ geometry to eliminate skin effects and eddy current distortions. Fluorocarbon dielectrics, typically reserved for aerospace-grade applications, minimize signal loss while improving resolution and sonic transparency. The KPIP v2™ process further refines conductor metals at the atomic level, dramatically reducing burn-in time while enhancing tonal balance and realism. With the STIS™ v3 interchangeable terminal system, users can easily switch between spade and banana connectors, ensuring both reliability and long-term flexibility. The Theta Ground Cable represents a true system upgrade for serious listeners seeking greater clarity and immersion.

 

‌‌ArNi®

ArNi® is a type of wire created by Shunyata Research designed to be the finest quality wire available for audio purposes. It begins with the highest purity of copper available – OFE C10100 or Ohno (single crystal). Then it is formed in virtual hollow tubes eliminating skin effects and eddy current distortions. A premium fluorocarbon insulation minimizes dielectric absorption and re-radiation, greatly improving resolution and clarity. In addition, the wire undergoes our proprietary KPIP™ process.

 

VTX™

Shunyata Research’s exclusive ‌VTX™ conductors are made in the shape of virtual tubes. The core of the conductor is completely hollow minimizing skin effects and random eddy currents. They are produced using OFE Alloy-101.

 

VTX-Ag CONDUCTORS

Shunyata's VTX-Ag conductors are the product of a 25-year design progression steeped in credible science and definitive measurement.

VTX-Ag conductors use an outer tube geometry of the purest form of copper, intended to bring out the purest tone and timbres of recorded instruments and voice. This VTX outer core of pure copper surrounds an inner core of the purest form of silver. This inner Ag core demonstrably improves macro-dynamics and creates an incredible three dimensional weight and timing in the lower octaves.

 

STIS v3

Shunyata Research's ‌STIS™ v3 is the most evolved interchangeable terminal system in existence due to their performance and ease of use. The STIS v3 interchangeable banana and spade terminals are culled from solid tellurian copper for the ultimate in connectivity, then plated with pure gold to protect the copper for a lifetime of trouble free operation. In terms of performance and ease of use. STISv3 offers all the performance of fixed connectors yet delivers endless flexibility by allowing the end user to change connectors on the fly based on the system and connections being used.



OFE Alloy 101

Shunyata Research uses only the highest purity of copper available for the production of its wire products. OFE Alloy 101 or C10100 is the highest grade of copper with a minimum 99.99% purity and a conductivity rating of 101% IACS. OFE stands for oxygen-free electrolytic and supersedes the term OFHC (oxygen-free high conductivity). C10100 is the only grade of copper that comes with a written certification of purity.

Certified by ASTM F68 C10100


Fluorocarbon Dielectrics

Fluorocarbon dielectrics are usually only found in wire used in the aerospace industry, satellites and only the most expensive audiophile cabling. It has special electrical characteristics; very low dielectric absorption, high dielectric strength and exceptional heat resistance. When used in audio and power cables is reduces the perception of dynamic compression and it improves sonic low-level resolution and clarity.

Crystal clear transient detail.



KPIP™ PROCESSING

Shunyata Research’s proprietary Kinetic Phase Inversion Process includes four days of continuous KPIP™ processing to dramatically reduce burn-in time and significantly improve sonic performance, delivering a relaxed and life-like presentation.

 

Specification

  • Cable Type: VTX™️
  • Gauge: 08
  • Conductors: OFE copper
  • Dielectric: Fluorocarbon
  • Connectors: STIS™️v3
  • Color: Black flex
  • KPIP v2 Processing: 4-days
  • Standard Length: 1.00 meters
  • Safety Assurance: Continuity and polarity tests – by two technicians, HiPOT tests insulation breakdown @ 1,200 VAC

 

About Shunyata Research

Founded in 1997 by Caelin Gabriel, Shunyata Research is a science and research-based company dedicated to enhancing the music listening experience. Gabriel's passion for improving his audio system led to the creation of Shunyata Research, which has since grown into an internationally acclaimed high-performance electrical and cabling system manufacturer. Shunyata Research empowers signal-critical electronic systems to achieve unprecedented performance levels, focusing on removing noise, optimising signal paths, and eliminating impedance. Shunyata Research's state-of-the-art manufacturing and design facility spans 18,000 square feet and is located just outside Seattle, in Washington State. The company offers a comprehensive range of products across various categories, including digital cables such as USB cables, audio cables, power cables, grounding products, and power distributors.

Shunyata Research's cable offerings encompass multiple ranges tailored to meet different performance needs. From the entry-level Venom range, the lineup progresses through the Delta, Alpha, and Sigma ranges and culminates in the top-tier Omega range. This comprehensive selection ensures customers can find the ideal cables to optimise their audio-visual systems. In addition to cables, Shunyata Research excels in power distribution solutions. The company offers power distributors in various tiers, including the entry-level Venom and Hydra models and the advanced Denali series. At the pinnacle of its range, Shunyata Research presents the Everest series, designed to deliver the ultimate power distribution performance.

Shunyata Research's commitment to innovation is evident through its intellectual properties, customised parts and materials, and substantial scientific research and measurement investments. This dedication sets their products apart, resulting in critical acclaim and endorsements from renowned recording studios, mastering engineers, hospitals, and medical professionals worldwide.

With over 10 patents and numerous additional patents pending, Caelin Gabriel's technical expertise and unorthodox insights have shaped Shunyata Research's unique approach to audio-visual solutions. Drawing from his background in philosophy, transcendental meditation, and the study of divergent thinkers, Gabriel brings a distinctive perspective to the company's endeavours.

Experience the transformative power of Shunyata Research's electrical and cabling systems at Future Shop. Whether you seek to optimise your audio-visual setup or require cutting-edge solutions for professional recording, film, or medical applications, Shunyata Research is dedicated to delivering unparalleled performance and unrivalled quality.

 

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Specification

  • Cable Type: VTX™️
  • Gauge: 08
  • Conductors: OFE copper
  • Dielectric: Fluorocarbon
  • Connectors: STIS™️v3
  • Color: Black flex
  • KPIP v2 Processing: 4-days
  • Standard Length: 1.00 meters

We use Royal Mail 1st Class services for our Standard Delivery.

Orders received before 4.30 pm Monday to Friday are usually dispatched the same day by FIRST CLASS post (unless premium postal or timed courier services are selected), subject to stock availability. This does not apply to custom-length cables and speaker cables as these require a longer timescale to terminate. This also excludes all cables selected for the burn-in service. Please note, we do not process orders on national holidays in the UK. Over 98% of our orders are delivered the next working day including Saturdays.

Standard delivery is usually within 2 working days, although 98% of all orders are delivered the next working day including Saturdays. In extreme cases, such as delivery to the Highlands and Islands, this may take 3 days.

All items are fully insured and come with an invoice from Future Shop. We use the Royal Mail for delivery of small packages and DPD Local or DHL for items that weigh over 2KG. Items over 2KG are fully insured and will usually be delivered within 48 hours of placing your order subject to stock availability. For international orders, we use FedEx or DHL services where customers have selected this option.

 

 

Please note, special orders for non-standard cable lengths may be subject to longer deliver time-scales. This may vary from manufacturer to manufacturer.

 

We offer 'Free delivery on orders over £99' subject to the following terms & conditions:

  • Applies only to orders with £99 or more of items (including VAT at the UK rate), at Future Shop
  • Free Delivery on orders over £99 utilises Royal Mail First Class postal service for items weighing under 2KG. For items weighing over 2KG, we use DPD or DHL next working day services which deliver from 9.00am to 6pm within mainland UK (excludes Royal Mail Special Delivery Services and timed next day delivery services by DPD or DHL).
  • Applies only to deliveries to addresses within mainland UK and Northern Ireland addresses. Applies only to orders that are to be delivered to a single Mainland UK delivery address.
  • You will not be eligible for free delivery on your order if any items are cancelled or returned for a refund, bringing the total order amount below £99. Where items are returned, the refund due will be the cost of the item less any postage costs.
  • We reserve the right to change or discontinue 'Free delivery on orders over £99 promotion at any time.
  • FREE DELIVERY FOR ORDERS OVER £99 OFFER DOES NOT APPLY TO TRADE CUSTOMERS.

UK Postal & Delivery Charges - FIRST CLASS

Free UK delivery on all orders over £99*

Weight Price (FIRST CLASS UK POSTAGE)
0000g – 1000g £ 3.95
1000g – 1400g £ 4.95
1400g – 1800g £ 5.95
1800g – 2000g £ 6.95
2000g – 3000g £ 8.95

* Free Delivery on orders over £99 utilises Royal Mail First Class postal service for items weighing under 2KG. For items weighing over 2KG, we use DPD or DHL next working day services which deliver from 9.00am to 6pm within mainland UK.

Free Delivery for orders over £99 excludes Royal Mail Special Delivery Services and timed next day delivery services by DPD or DHL.

 

Special Delivery UK - Guaranteed Next Working Day

We have 99.9% of the UK covered With Royal Mail Next Day Special Delivery. We guarantee delivery to most UK addresses by 1pm the next working day. This includes Northern Ireland, Jersey and Guernsey. Some places take longer to deliver to but we still guarantee delivery within three working days by 5.30 PM.

For the Next Day Special Delivery service, orders must be received by Future Shop by 4.30pm weekdays. Orders after the 4.30pm deadline cannot be guaranteed for same day dispatch.

Please note, Royal Mail Special Delivery for next working day may not be possible where non-standard cable lengths are ordered. If this is the case, the item will be shipped via The Royal Mail Special Delivery service as soon as the cable is custom made.

For orders weighing over 2KG, we reserve the right to ship items using Next Day Pre-Noon Courier Services where Royal Mail Special Delivery option has been selected.

 

Channel Islands & Northern Ireland

We accept orders from all Channel Islands including Alderney, Jersey, Guernsey and Sark. Unless you select a premium service, Items weighing under 2KG are delivered using our standard UK delivery option above. For items weighing over 2KG, a surcharge may be applied for all deliveries to the Channel Islands as well as Northern Ireland.

 

European Countries

Deliveries to EU member states are not subject to 20% VAT after December 31st 2020 and therefore the 20% VAT on items is automatically deducted when you log-in, register or proceed to place an order.

The customer will be liable for the VAT at the local VAT rate, duty on the import and the brokerage service fee if applicable. This may need to be paid in advance to your local Customs & Excise office or the delivery company before your order can be delivered.

We offer the following shipping services:

  • Royal Mail First Class International Airmail Services - Items are usually delivered within 3 to 5 working days.
  • Royal Mail Standard International Mail Services - Items are usually delivered within 7-10 working days.
  • DHL Express International - Items are usually delivered within 24 to 48 hours. DHL orders must be received by 3:30pm for next day service to most destinations in Europe
  • Federal Express International Priority - Items are usually delivered within 24 to 48 hours. FedEx orders must be received by 3.00pm for next day service to most destinations in Europe.
  • Federal Express International Economy - Item are usually delivered within 48 to 72 hours.

We reserve the right to change your shipping method without notification if you select a method that we cannot use for your shipment (for instance, we cannot ship via postal services for items over 2 Kg to International destinations). If we need to change your shipping method, we will choose the least expensive shipping method for your order.

 

Worldwide - Excluding UK & Europe

Deliveries outside of the UK are not subject to 20% VAT and so the 20% tax on items is automatically deducted when you log-in, register or proceed to place an order.

If applicable, the customer will be liable for the taxes at the local tax rate, duty on the import and the brokerage service fee. This may need to be paid in advance to your local Customs & Excise office or the delivery company before your order can be delivered.

We offer the following shipping services:

  • Royal Mail First Class International Airmail Services - Items are usually delivered within 7 to 10 working days.
  • Royal Mail Standard International Mail Services - Items are usually delivered within 15 working days.
  • DHL Express International - Items are usually delivered within 24 to 48 hours. DHL orders must be received by 3:30pm for next day service to most destinations in Europe
  • Federal Express International Priority - Items are usually delivered within 48 hours. FedEx orders must be received by 3.00pm in order to ship items the same day, subject to stock availability.

  • Where the actual weight of the package significantly exceeds the shipping cost charged on orders, we may write to you for an additional shipping charge. For larger orders, items may be shipped in multiple packets at our discretion.

We reserve the right to change your shipping method without notification if you select a method that we cannot use for your shipment (for instance, we cannot ship via postal services for items over 2 Kg to International destinations). If we need to change your shipping method, we will choose the least expensive shipping method for your order.

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Shunyata Research Theta Ground Cable

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Frequently Asked Questions

Grun adds an external grounding path to your system, reducing radio-frequency and electromagnetic interference. This leads to improved dynamics, timing, and reduced noise. Many users report noticeable sonic gains with each Grun-enabled cable added.
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An Entreq grounding box provides a dedicated “earth point” for your hi-fi components. By draining away unwanted noise and interference, it lowers the overall noise floor and allows more musical detail and dynamics to come through. Connecting digital sources, amplifiers or even power distributors to a grounding box often results in a more relaxed, organic sound.
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Yes, Entreq grounding boxes work best when paired with their dedicated grounding cables, designed with natural materials and carefully chosen conductors. These cables ensure effective noise dissipation and optimal connection between your equipment and the grounding unit.
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Grounding solutions provide a stable electrical reference for your system, helping to eliminate hum and noise. This can result in a quieter background, sharper imaging, and a more relaxed, musical presentation.
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Shunyata Research Theta Ground Cable

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